Table 4.

Outcome measures

Outcome	Measurement
Knee Injury and Osteoarthritis Outcome Score	Pain, other symptoms, function and quality of life
Isometric strength of hip abductors	Hand held dynamometer (Newtons)
Stair climb test	Total time (sec) to ascend and descend 4 steps.
6 min walk test	Distance (m) walked in 6 min
Timed Up and Go	Timed rise from chair, walk 3 m and return to sitting position.
40 m fast-paced walk test	Time (sec) taken to walk 40 m
30-second chair stand test	No. of sit-to-stands performed in 30 seconds
Step test	Number of step taps on a step in 15 seconds
Isometric strength of quadriceps	Hand held dynamometer (Newtons)
Knee ROM	Goniometer (degrees)
Lower Extremity Functional Scale	Lower extremity functional status
SF-12	Overall Health
Other measures
Compliance	Therapist treatment records and patient diary
Adverse effects	Therapist treatment records and patient diary
Type of TKR	Operation report or surgeon contact